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File:WWVNBSRadioStation 015.jpg

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Licensing

This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:24, 10 March 2014		5,993 × 4,885 (25.04 MB)	NISTResearchLibrary

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current

19:24, 10 March 2014

5,993 × 4,885 (25.04 MB)

NISTResearchLibrary

Metadata

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Image title	The generator, whose accuracy was controlled by the 100-kc crystal oscillator frequency, provided the seconds pulses, each 0.005 seconds long and consisting of five cycles of a 100-cycle frequency.
Author	National Institute of Standards and Technology
Copyright holder	The images in the WWV NBS Radio Station Photographic Collection are in the public domain and are not subject to copyright in the United States. However, please pay special attention to the individual works to make sure there are no copyright restrictions indicated. Individual works may require securing other permissions from the original copyright holder. Use of the images from NIST Digital Collections is not restricted, but a statement of attribution is required. Please use the following attribution statement: "National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899."
Headline	National Institute of Standards and Technology
Source	WWV NBS Radio Station Photographic Collection
Short title	Back view of the NBS seconds pulse generator and time interval selector used in the time control equipment of radio station WWV
Date and time of data generation	30 March 1943
Width	5,993 px
Height	4,885 px
Bits per component	8 8 8
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	600 dpi
Vertical resolution	600 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS6 (Windows)
File change date and time	10:07, 23 September 2013
Exif version	2.21
Color space	Uncalibrated
Unique ID of original document	F2A78E8404DBAC39A927A8C33BCBF7C4
Original transmission location code	14559-14-1025
Date metadata was last modified	06:07, 23 September 2013
Date and time of digitizing	09:48, 22 August 2013
Keywords	United States. National Bureau of Standards--Photograph collections. NBS Radio Station WWV. Radio stations--Photograph collections. Frequency standards.
Contact information	library@nist.gov 100 Bureau Dr, MS 2500 Gaithersburg, MD, 20899 301-975-3052
IIM version	4

File:WWVNBSRadioStation 015.jpg

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30 March 1943

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image/jpeg

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